import { axiosInstance } from '@/api/rbac'
import { resolveAdminApiPath } from '@/utils/adminApi'

function monitorUrl(path: string): string {
  return resolveAdminApiPath(path)
}

function assertBusinessOk(body: unknown) {
  if (body == null) throw new Error('空响应')
  const payload = body as Record<string, unknown>
  const code = payload.code ?? payload.Code
  const ok =
    code === undefined ||
    code === null ||
    code === 0 ||
    code === 200 ||
    code === '0' ||
    code === '200' ||
    payload.success === true ||
    payload.Success === true
  if (!ok) {
    throw new Error(
      String(payload.msg ?? payload.Msg ?? payload.message ?? payload.Message ?? '请求失败'),
    )
  }
}

function num(raw: unknown): number {
  const value = Number(raw ?? 0)
  return Number.isFinite(value) ? value : 0
}

function growth(raw: unknown): number | null {
  if (raw === null || raw === undefined || raw === '') return null
  const value = Number(raw)
  return Number.isFinite(value) ? value : null
}

function normalizeRegionTrend(raw: unknown) {
  const bundle = (raw ?? {}) as Record<string, unknown>
  const normalizePeriod = (periodRaw: unknown) => {
    const period = (periodRaw ?? {}) as Record<string, unknown>
    const labels = period.labels ?? period.Labels
    const seriesRaw = period.series ?? period.Series
    return {
      labels: Array.isArray(labels) ? labels.map(String) : [],
      series: Array.isArray(seriesRaw)
        ? seriesRaw.map((item) => {
            const row = item as Record<string, unknown>
            const values = row.values ?? row.Values
            return {
              region: String(row.region ?? row.Region ?? ''),
              values: Array.isArray(values) ? values.map((v) => num(v)) : [],
            }
          })
        : [],
    }
  }

  return {
    week: normalizePeriod(bundle.week ?? bundle.Week),
    month: normalizePeriod(bundle.month ?? bundle.Month),
  }
}

export interface MonitorOverview {
  order: {
    todayCreated: number
    todayCreatedGrowthPercent: number | null
    total: number
    totalMonthGrowthPercent: number | null
    pendingPayment: number
    pendingOnline: number
    pendingSign: number
    problematic: number
    todayRevenue: number
    todayRevenueGrowthPercent: number | null
  }
  customer: {
    totalCustomers: number
    totalCustomersMonthGrowthPercent: number | null
    newCustomersToday: number
    newCustomersGrowthPercent: number | null
    onlineCustomers: number
    inactiveLogin7d: number
    inactiveLogin7dDelta: number
  }
  orderTrend7d: Array<{ label: string; count: number }>
  revenueTrend7d: Array<{ label: string; revenue: number; grossProfit: number }>
  regionOrderTrend: ReturnType<typeof normalizeRegionTrend>
  regionReceivableTrend: ReturnType<typeof normalizeRegionTrend>
  regionSignRates: Array<{ region: string; rate: number }>
  trackRates: {
    trackCompleteRate: number
    trackTimelyRate: number
    otdRate: number
  }
}

function normalizeOverview(raw: Record<string, unknown>): MonitorOverview {
  const order = (raw.order ?? raw.Order ?? {}) as Record<string, unknown>
  const customer = (raw.customer ?? raw.Customer ?? {}) as Record<string, unknown>
  const track = (raw.trackRates ?? raw.TrackRates ?? {}) as Record<string, unknown>
  const orderTrendRaw = raw.orderTrend7d ?? raw.OrderTrend7d
  const revenueTrendRaw = raw.revenueTrend7d ?? raw.RevenueTrend7d
  const signRatesRaw = raw.regionSignRates ?? raw.RegionSignRates

  return {
    order: {
      todayCreated: num(order.todayCreated ?? order.TodayCreated),
      todayCreatedGrowthPercent: growth(order.todayCreatedGrowthPercent ?? order.TodayCreatedGrowthPercent),
      total: num(order.total ?? order.Total),
      totalMonthGrowthPercent: growth(order.totalMonthGrowthPercent ?? order.TotalMonthGrowthPercent),
      pendingPayment: num(order.pendingPayment ?? order.PendingPayment),
      pendingOnline: num(order.pendingOnline ?? order.PendingOnline),
      pendingSign: num(order.pendingSign ?? order.PendingSign),
      problematic: num(order.problematic ?? order.Problematic),
      todayRevenue: num(order.todayRevenue ?? order.TodayRevenue),
      todayRevenueGrowthPercent: growth(order.todayRevenueGrowthPercent ?? order.TodayRevenueGrowthPercent),
    },
    customer: {
      totalCustomers: num(customer.totalCustomers ?? customer.TotalCustomers),
      totalCustomersMonthGrowthPercent: growth(
        customer.totalCustomersMonthGrowthPercent ?? customer.TotalCustomersMonthGrowthPercent,
      ),
      newCustomersToday: num(customer.newCustomersToday ?? customer.NewCustomersToday),
      newCustomersGrowthPercent: growth(
        customer.newCustomersGrowthPercent ?? customer.NewCustomersGrowthPercent,
      ),
      onlineCustomers: num(customer.onlineCustomers ?? customer.OnlineCustomers),
      inactiveLogin7d: num(customer.inactiveLogin7d ?? customer.InactiveLogin7d),
      inactiveLogin7dDelta: num(customer.inactiveLogin7dDelta ?? customer.InactiveLogin7dDelta),
    },
    orderTrend7d: Array.isArray(orderTrendRaw)
      ? orderTrendRaw.map((item) => {
          const row = item as Record<string, unknown>
          return {
            label: String(row.label ?? row.Label ?? ''),
            count: num(row.count ?? row.Count),
          }
        })
      : [],
    revenueTrend7d: Array.isArray(revenueTrendRaw)
      ? revenueTrendRaw.map((item) => {
          const row = item as Record<string, unknown>
          return {
            label: String(row.label ?? row.Label ?? ''),
            revenue: num(row.revenue ?? row.Revenue),
            grossProfit: num(row.grossProfit ?? row.GrossProfit),
          }
        })
      : [],
    regionOrderTrend: normalizeRegionTrend(raw.regionOrderTrend ?? raw.RegionOrderTrend),
    regionReceivableTrend: normalizeRegionTrend(raw.regionReceivableTrend ?? raw.RegionReceivableTrend),
    regionSignRates: Array.isArray(signRatesRaw)
      ? signRatesRaw.map((item) => {
          const row = item as Record<string, unknown>
          return {
            region: String(row.region ?? row.Region ?? ''),
            rate: num(row.rate ?? row.Rate),
          }
        })
      : [],
    trackRates: {
      trackCompleteRate: num(track.trackCompleteRate ?? track.TrackCompleteRate),
      trackTimelyRate: num(track.trackTimelyRate ?? track.TrackTimelyRate),
      otdRate: num(track.otdRate ?? track.OtdRate),
    },
  }
}

/** 实时监控概览 GET /monitor/overview */
export async function getMonitorOverview(): Promise<MonitorOverview> {
  const res = await axiosInstance.get(monitorUrl('/monitor/overview'))
  assertBusinessOk(res.data)
  const payload = res.data as Record<string, unknown>
  const data = (payload.data ?? payload.Data ?? payload) as Record<string, unknown>
  return normalizeOverview(data)
}

export function formatMonitorNumber(value: number): string {
  return Number(value || 0).toLocaleString()
}

export function formatMonitorCurrency(value: number): string {
  return `¥ ${Number(value || 0).toLocaleString(undefined, {
    minimumFractionDigits: 0,
    maximumFractionDigits: 0,
  })}`
}

export function formatMonitorGrowth(value: number | null | undefined): {
  show: boolean
  up: boolean
  text: string
} {
  if (value == null || Number.isNaN(Number(value))) {
    return { show: false, up: true, text: '' }
  }
  const numValue = Number(value)
  return {
    show: true,
    up: numValue >= 0,
    text: `${Math.abs(numValue).toFixed(1)}%`,
  }
}